PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/26-03:43:10
G07     318.9          52.2                3.8 +/-    0.58       4.7 +/-    0.58  0.250 / 0.300
G08     115.1          47.2                6.1 +/-    0.30       8.0 +/-    0.30  0.220 / 0.300
G09     238.9          82.9                3.5 +/-    0.93       3.5 +/-    0.93  0.030 / 0.040
G16     43.1           20.8                3.2 +/-    2.60       6.8 +/-    2.60  0.030 / 0.040
G23     151.1          54.8                5.5 +/-    0.47       6.6 +/-    0.47  0.040 / 0.050
G27     66.0           35.4                5.0 +/-    1.36       7.8 +/-    1.36  0.040 / 0.040
G28     229.7          21.3                4.1 +/-    3.27       8.7 +/-    3.27  0.240 / 0.170
G30     293.6          28.6                2.0 +/-    1.05       3.6 +/-    1.05  0.110 / 0.220